Margot Robbie came out on top in a plank challenge against her "Barbie" costars. She held her plank for four minutes and 10 seconds, beating Ryan Gosling by over a minute. Personal trainer David ...

How long can you hold a plank — and how does it stack up to others in your age group? That’s the question that was posed on "Fox & Friends" Thursday morning, when co-hosts Brian Kilmeade and Lawrence ...

This 30-day challenge is designed to help you progress the amount of time you can hold a plank position, essentially by holding a standard plank for longer periods. But it also helps by challenging ...

Forget crunches and sit-ups. One of the best ways to blast your core is the oh-so-simple plank. When performing a plank with ...

I'm terrible at doing core work consistently. So I took on the 30-day plank challenge, and ended up holding a five minute plank by the end. Our editors independently select these products. Making a ...

A plank challenge is something I’ve been keen for ever since I interviewed 82-year-old fitness influencer Erika Rischko, who told me she could hold a plank for 8 minutes and 40 seconds. I know. If ...